[SPARK-20741][SPARK SUBMIT] Added cleanup of JARs archive generated by SparkSubmit

## What changes were proposed in this pull request?

Deleted generated JARs archive after distribution to HDFS

## How was this patch tested?

Please review http://spark.apache.org/contributing.html before opening a pull request.

Author: Lior Regev <lioregev@gmail.com>

Closes #17986 from liorregev/master.

resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala

@@ -545,6 +545,7 @@ private[spark] class Client(
           distribute(jarsArchive.toURI.getPath,
             resType = LocalResourceType.ARCHIVE,
             destName = Some(LOCALIZED_LIB_DIR))
+          jarsArchive.delete()
       }
     }